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38100159 = 331411117
BaseRepresentation
bin1001000101010…
…1110010111111
32122200200121000
42101111302333
534223201114
63440341343
7641563116
oct221256277
978620530
1038100159
111a563239
1210914853
137b7cb96
1450bac7d
153528e09
hex2455cbf

38100159 has 8 divisors (see below), whose sum is σ = 56444720. Its totient is φ = 25400088.

The previous prime is 38100157. The next prime is 38100197. The reversal of 38100159 is 95100183.

It is not a de Polignac number, because 38100159 - 21 = 38100157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1411117 = 38100159 / (3 + 8 + 1 + 0 + 0 + 1 + 5 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38100157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705532 + ... + 705585.

It is an arithmetic number, because the mean of its divisors is an integer number (7055590).

Almost surely, 238100159 is an apocalyptic number.

38100159 is a deficient number, since it is larger than the sum of its proper divisors (18344561).

38100159 is a wasteful number, since it uses less digits than its factorization.

38100159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411126 (or 1411120 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 38100159 is about 6172.5326244581. The cubic root of 38100159 is about 336.4926605734.

The spelling of 38100159 in words is "thirty-eight million, one hundred thousand, one hundred fifty-nine".

Divisors: 1 3 9 27 1411117 4233351 12700053 38100159